Health A-Z

Clinical Definition Fibrocystic breast tissue is a common condition in which breasts have atypically dense tissue, with benign changes such as fibrosis and cysts. Lumps, swelling and tenderness are typical symptoms. Dense breast tissue can make mammograms more difficult to read. Treatment is generally not needed if symptoms are not bothersome. Women with dense breasts…

Clinical Definition A uterine fibroid, or leiomyoma, is a noncancerous tumor composed of muscle and connective tissue from the uterine wall. Fibroids grow as a single nodule or in clusters, ranging from a millimeter to more than 20 centimeters in diameter. Bleeding is a common presenting symptom. Not all fibroids need treatment, but treatments include…

Clinical Definition Fibromyalgia is a disorder of unknown etiology marked by widespread pain in muscles, tendons and joints all over the body. The condition is also involved with sleep patterns, depression, fatigue and psychological distress. While the exact cause is unknown, one theory proposes that chronic stress contributes to the onset of the disorder, once…

Clinical Definition An atypical tract or opening between internal organs or structures, a fistula may form between organs, or between a structure and the exterior of the body. The passage may occur due to genetic defect, pathology or trauma, or it may be artificially created by surgeons to facilitate movement of fluids. In Our Own…